Software Developer

Senior Software Developer

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Senior Software Developer to join our team in Springfield, VA.

The Software Developer will leverage their strong technical background and knowledge to design, develop, and maintain software applications supporting operational analysis. You will ensure software meets technical requirements, security standards, and user needs while contributing to architectural decisions and technical roadmap planning.

Responsibilities include but are not limited to:

• Designing and developing complex software systems and applications to support mission operations.
• Writing clean, scalable, and well-documented code while leading code reviews to ensure adherence to best practices.
• Managing the software development lifecycle and ensuring seamless integration with existing government systems.
• Implementing security controls and ensuring compliance with all applicable technical and security regulations.
• Collaborating with data engineering, front-end, and back-end teams to ensure proper system and data integration.
• Troubleshooting and resolving complex technical issues while providing leadership and mentoring to junior developers.
• Documenting code, architecture, and system interfaces to maintain a robust and accessible technical library.

Minimum Qualifications:

• Bachelor's degree in Computer Science, Software Engineering, or related field with 8+ years of progressively responsible experience in software development.
• 3+ years experience in a leadership role.
• Experience with multiple programming languages and development frameworks such as Python, Java, C++, or JavaScript.
• Strong understanding of software development principles, data structures, algorithms, and secure coding practices.
• Experience with various software development methodologies, including Agile and Scrum, and version control systems like Git.
• Knowledge of cloud platforms, containerization technologies (e.g., Docker, Kubernetes), and both SQL and NoSQL database technologies.
• Experience and ability to translate complex technical requirements into functional software applications for technical security environments.

Preferred Qualifications:

• Experience with DevOps practices, CI/CD pipelines, and microservices architecture.
• In-depth knowledge of system design, distributed systems, and performance tuning/optimization.
• Advanced certifications in cloud technologies or specific programming languages.
• Self-starter with excellent people skills—able to work across teams and drive technical innovation throughout an organization.

Clearance Requirements:

• An active TS/SCI with the ability to obtain and maintain a polygraph

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at and provide your name and contact information.